Short summary describing this game.

Overview

Deae Tonosama Appare Ichiban ("Meet Tonosama! Bravo! Number One!") is a top-down shooter game published by SunSoft. The player moves across Japan, and eventually the rest of the world and space, to fight alien invaders

It features two playable protagonists: Baka-dono ("Lord Stupid"), the useless scion of a daimyo; and Baka-ouji ("Prince Stupid"), an effeminate French noble who washed up on the coast of Japan. Both have been pressed into service by their deceased and ridiculously buffed fathers, and will transform to resemble them once powered up. Baka-dono is strong and slow and attacks with a fan, while Baka-ouji is fast and his weapons (thrown roses) have longer range. Two players can play simultaneously with a co-operative mode.